%0 Journal Article %A Jerzy Dydak %T A generalization of cohomotopy groups %J Fundamenta Mathematicae %D 1975 %P 77-98 %V 90 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-90-1-77-98/ %R 10.4064/fm-90-1-77-98 %G en %F 10_4064_fm_90_1_77_98